The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2021
Filed:
Jul. 17, 2020
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventor:
Tetsuo Taniguchi, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/01 (2006.01); H03H 7/09 (2006.01); H03H 1/00 (2006.01);
U.S. Cl.
CPC ...
H03H 7/0115 (2013.01); H03H 7/0161 (2013.01); H03H 7/09 (2013.01); H03H 2001/0085 (2013.01);
Abstract
A band pass filter is provided with a first filter circuit which includes a first resonant circuit including a first inductor and a second resonant circuit including a second inductor, a second filter circuit which includes a third resonant circuit including a third inductor and a fourth resonant circuit including a fourth inductor, and a fifth resonant circuit including a fifth inductor. The fifth inductor is electromagnetically coupled to each of the first inductor, the second inductor, the third inductor, and the fourth inductor.